/*
 * Copyright 2013 The Scripps Research Institute
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package edu.scripps.fl.entrez.transformer;

import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;

import org.apache.commons.collections.Transformer;

public class EntrezTransformerFactory {

	private static Map<String, Transformer> transformers;

	static {
		// transformers convert an xml node to a pretty print string.
		transformers = new LinkedHashMap<String, Transformer>() {
			{
				put("biosystems", new BioSystemsTransformer());
				put("pubmed", new PubMedTransformer(500));
				put("gene", new GeneTransformer());
				put("mesh", new MeshTransformer());
				put("omim", new OmimTransformer());
				put("pcassay", new PCAssayTransformer());
				put("protein", new ProteinTransformer());
				put("taxonomy", new TaxonomyTransformer());
				put("pcsubstance", new SubstanceTransformer());
				put("pccompound", new CompoundTransformer());
				put("nuccore", new NucleotideTransformer());
				put("structure", new StructureTransformer());
			}
		};
	}
	
	public static Set<String> getSupportedDatabases() {
		return transformers.keySet();
	}

	public static Transformer getTransformer(String database) {
		return transformers.get(database);
	}
}
